Samsung UP1500 800-A1 User manual

UP1500
User’s Manual
Part Number: UP1500 800-A1

UP1500 User’s Manual
UP1500 800-A1 ii
© 2001 Samsung Electronics Co., Ltd. All rights reserved.
Part #: UP1500 800-A1
Date: May 09, 2001
Samsung Electronics Co., Ltd.
San #24 Nongseo-Ri, Kiheung-Eup
Yongin-City, Kyunggi-Do, KOREA
Tel: [phone]
Samsung Electronics Co., Ltd. reserves the right to make changes in its products without notice in
order to improve design or performance characteristics.
This document is considered to be preliminary with further revisions and corrections in process.
Samsung Electronics Co., Ltd. makes no representations or warranties with respect to the accuracy or
completeness of the contents of this publication or the information contained herein, and reserve the
right to make changes at any time, without notice. Samsung Electronics Samsung Electronics Co., Ltd.
disclaims responsibility for any consequences resulting from the use of the information included in
this publication.
This publication neither states nor implies any representations or warranties of any kind, including
butnotlimitedto,anyimpliedwarrantyofmerchantabilityorfitnessforaparticularpurpose.Samsung
Electronics Co., Ltd. products are not authorized for use as critical components in life support devices
or systems without Alpha Processor, Inc.’s written approval.Samsung Electronics Co., Ltd. assumes
no liability whatsoever for claims associated with the sale or use (including the use of engineering
samples) of Samsung Electronics Co., Ltd. products except as provided in Samsung Electronics Co.,
Ltd.’s Terms and Conditions of Sale for such products.
Trademarks
AMD-761 System Controller is a trademark of AMD.
Other product names used in this publication are for identification purposes only and may be
trademarks of their respective companies.
Preliminary Product Information
The information in this publication is preliminary, and is believed to be accurate at the time of
publication. Samsung Electronics Co., Ltd. makes no representations orwarranties with respect to the
accuracy or completeness of the contents of this publication or the information contained herein, and
reserves the right to make changes at any time, without notice.

UP1500 User’s Manual Revision History
UP1500 800-A1 iii
Revision History
Date Rev Description
03/12/01 UP1500
800-A1 UP1500 User’s Manual first product release. This document supports the UP1500 800-A product.

UP1500 User’s Manual Table of Contents
UP1500 800-A1 iv
Table of Contents
Revision History iii
Table of Contents iv
List of Figures vi
List of Tables vii
Preface ix
Chapter 1 UP1500 Introduction 1-1
1.1 Features . . . . . . . . . . . . . . . . . . . . 1-1
1.2 System Components . . . . . . . . . . . . . . . . 1-2
Chapter 2 System Configuration 2-1
2.1 Board Layout and Components. . . . . . . . . . . . . 2-1
2.2 Memory Subsystem . . . . . . . . . . . . . . . . 2-3
2.2.1 Memory Configuration. . . . . . . . . . . . . . . 2-3
2.2.2 Memory Guidelines . . . . . . . . . . . . . . . 2-4
2.3 Configuration Settings . . . . . . . . . . . . . . . 2-5
2.3.1 Firmware Image Selection . . . . . . . . . . . . . 2-5
2.3.2 System Bus Speed Selection . . . . . . . . . . . . 2-6
2.3.3 Cache Size Selection . . . . . . . . . . . . . . . 2-6
2.4 Initialization Strapping . . . . . . . . . . . . . . . 2-7
2.4.1 System Clock Speed . . . . . . . . . . . . . . . 2-7
2.4.2 Disable Divider . . . . . . . . . . . . . . . . 2-7
2.4.3 Inclk Delay Enable . . . . . . . . . . . . . . . 2-7
2.4.4 CPU Clk Hist . . . . . . . . . . . . . . . . . 2-7
2.4.5 AGP Clk MUX . . . . . . . . . . . . . . . . 2-7
2.4.6 Physical S2K Length . . . . . . . . . . . . . . . 2-8
2.4.7 Outclk Delay Enable . . . . . . . . . . . . . . . 2-8
2.4.8 CPU Div 0 . . . . . . . . . . . . . . . . . . 2-8
Chapter 3 Electrical, Environmental and Physical Data 3-1
3.1 Power Specifications . . . . . . . . . . . . . . . . 3-1
3.1.1 Power Consumption . . . . . . . . . . . . . . . 3-1
3.1.2 Power Supply . . . . . . . . . . . . . . . . . 3-1
3.1.3 Power Connector . . . . . . . . . . . . . . . . 3-2

UP1500 User’s Manual Table of Contents
UP1500 800-A1 v
3.2 Environmental Specifications . . . . . . . . . . . . . 3-2
3.2.1 Cerification. . . . . . . . . . . . . . . . . . 3-3
3.2.2 Thermal . . . . . . . . . . . . . . . . . . . 3-4
3.3 Enclosure Requirements . . . . . . . . . . . . . . . 3-6
3.4 Physical Parameters . . . . . . . . . . . . . . . . 3-6
3.4.1 UP1500 Parameters . . . . . . . . . . . . . . . 3-6
3.4.2 UP1500 Mounting Hole Specification . . . . . . . . . 3-6
3.5 Rear Panel I/O Shield . . . . . . . . . . . . . . 3-7
Chapter 4 Software Support 4-1
4.1 Software Overview . . . . . . . . . . . . . . . . 4-1
4.1.1 FSB . . . . . . . . . . . . . . . . . . . . 4-1
4.1.2 Reset PALcode . . . . . . . . . . . . . . . . 4-1
4.1.3 Alpha SRM Console . . . . . . . . . . . . . . . 4-1
4.1.4 Operating System . . . . . . . . . . . . . . . . 4-2
4.2 Alpha SRM Console . . . . . . . . . . . . . . . . 4-2
4.2.1 Invoking the SRM Console . . . . . . . . . . . . . 4-2
4.2.2 Command Summary . . . . . . . . . . . . . . . 4-3
4.2.3 Displaying the System Configurations . . . . . . . . . 4-6
4.2.4 Setting the System date . . . . . . . . . . . . . . 4-10
4.2.5 Booting the Operating System . . . . . . . . . . . . 4-11
4.2.6 Updating Firmware (SRM Console) . . . . . . . . . . 4-12
4.2.7 Using Environment Variables . . . . . . . . . . . . 4-13
4.2.8 Environment Variable Summary . . . . . . . . . . . 4-15
4.2.9 Finding Help . . . . . . . . . . . . . . . . . 4-23
4.3 FSB . . . . . . . . . . . . . . . . . . . . . 4-24
Chapter 5 Troubleshooting 5-1
5.1 Hardware Startup . . . . . . . . . . . . . . . . . 5-1
5.1.1 No Video Present . . . . . . . . . . . . . . . . 5-1
5.1.2 LED Status Indicators . . . . . . . . . . . . . . 5-1
5.1.3 Beep Code . . . . . . . . . . . . . . . . . . 5-2
5.2 Error Recovery Procedures . . . . . . . . . . . . . . 5-3
5.2.1 Error Conditions . . . . . . . . . . . . . . . . 5-3
5.2.2 Error Recovery Switch Settings . . . . . . . . . . . 5-3
5.2.3 Error Recovery Procedure . . . . . . . . . . . . . 5-4
Appendix A Connectors and Pinouts A-1
A.1 Power Connector Pinouts . . . . . . . . . . . . . . A-2
A.2 Nonstandard Connections . . . . . . . . . . . . . . A-2
A.3 Standard Connectors . . . . . . . . . . . . . . . . A-6

UP1500 User’s Manual Table of Contents
UP1500 800-A1 vi
Appendix B Support, Products and Documentation B-1
B.1 Customer Support . . . . . . . . . . . . . . . . . B-2
B.2 Supporting Products . . . . . . . . . . . . . . . . B-2
B.3 Alpha Products. . . . . . . . . . . . . . . . . . B-2
B.4 Documentation. . . . . . . . . . . . . . . . . . B-3
Index Index-1

UP1500 User’s Manual List of Figures
UP1500 800-A1 vi
Figure: 1-1 UP1500 Functional Block Diagram . . . . . . . . . . . 1-3
2-1 UP1500 Layout . . . . . . . . . . . . . . . . . . 2-2
2-2 Memory Subsystem . . . . . . . . . . . . . . . . 2-4
3-1 Thermally-sensitive Components . . . . . . . . . . . . 3-5
3-2 UP1500 Mounting Hole Specification. . . . . . . . . . . 3-7
3-3 Rear Panel Connectors . . . . . . . . . . . . . . . 3-8
5-1 LED Status Indicators . . . . . . . . . . . . . . . . 5-2
5-2 Firmware Configuration Switches . . . . . . . . . . . . 5-3
List of Figures

UP1500 User’s Manual List of Tables
UP1500 800-A1 vii
Table: tn1-1 UP1500 Product Features. . . . . . . . . . . . . . . 1-1
2-1 UP1500 Connector Component List . . . . . . . . . . . 2-2
2-2 Typical UP1500 Memory Configurations. . . . . . . . . . 2-5
2-3 Firmware Configuration Settings (SW1, Switches 1 and 2) . . . . 2-6
2-4 System Bus Speed Configuration Settings (SW1, Switches 4, 5 and 6) 2-6
2-5 Cache Size Configuration Settings (SW1, Switches 7 and 8). . . . 2-6
3-1 UP1500 Operating Power Consumption . . . . . . . . . . 3-1
3-2 Recommended Power Supply . . . . . . . . . . . . . 3-2
3-3 Environmental Requirements . . . . . . . . . . . . . 3-3
3-4 Maximum Component Case Temperatures . . . . . . . . . 3-5
3-5 UP1500 Physical Parameters . . . . . . . . . . . . . 3-6
3-6 Rear Panel Connectors . . . . . . . . . . . . . . . 3-8
4-1 Summary of SRM Console Commands . . . . . . . . . . 4-3
4-2 Syntax for SRM Console Commands . . . . . . . . . . . 4-4
4-3 Special Characters for SRM Console . . . . . . . . . . . 4-5
4-4 Device Naming Convention . . . . . . . . . . . . . . 4-9
4-5 PCI Address Assignments . . . . . . . . . . . . . . 4-9
4-6 Boot Command Options . . . . . . . . . . . . . . . 4-11
4-7 Set Envar Options . . . . . . . . . . . . . . . . . 4-14
4-8 Environment Variable Summary . . . . . . . . . . . . 4-15
4-9 Auto_Action Values . . . . . . . . . . . . . . . . 4-16
4-10 Boot_Osflags Options. . . . . . . . . . . . . . . . 4-17
4-11 ew*0_mode Options . . . . . . . . . . . . . . . . 4-18
4-12 ew*0_protocols Options . . . . . . . . . . . . . . . 4-19
4-13 Language Options . . . . . . . . . . . . . . . . . 4-20
4-14 pk*0_soft_term Options . . . . . . . . . . . . . . . 4-22
5-1 LED Status Indicators . . . . . . . . . . . . . . . . 5-2
5-2 Switch Settings for Various Error Conditions . . . . . . . . 5-4
A-1 ATX Power Connector Pinouts (J21) . . . . . . . . . . . A-2
A-2 SM Bus Extender Port Connector Pinouts (J24). . . . . . . . A-2
A-3 Power Button Connector Pinouts (J25) . . . . . . . . . . A-3
A-4 Speaker Cable Connector Pinouts (J26) . . . . . . . . . . A-3
A-5 HDD Activity LED Connector Pinouts (J27) . . . . . . . . A-3
List of Tables

UP1500 User’s Manual List of Tables
UP1500 800-A1 viii
A-6 Power LED Connector Pinouts (J28) . . . . . . . . . . . A-3
A-7 Reset Button Connector Pinouts (J29). . . . . . . . . . . A-4
A-8 Keyboard Lock Cable Connector Pinouts (J30) . . . . . . . . A-4
A-9 System Fan Connector Pinouts (J31, J36). . . . . . . . . . A-4
A-10 CPU Fan Connectors Pinouts (J32, J33) . . . . . . . . . . A-4
A-11 Debug Port Connector Pinouts (J34) . . . . . . . . . . . A-5
A-12 EPLD Program Port Pinouts (J35) . . . . . . . . . . . . A-5
A-13 System Controller Fan Connector Pinouts (J37). . . . . . . . A-5
A-14 Network Receive LED Connector Pinouts (J38) . . . . . . . A-6
A-15 Network Active LED Connector Pinouts (J39) . . . . . . . . A-6
A-16 UP1500 Standard Connectors . . . . . . . . . . . . . A-6

UP1500 User’s Manual Preface
UP1500 800-A1 ix
Preface
Overview
This manual describes the Samsung Electronics Co., Ltd. UP1500 product,
including the Alpha 21264B Processor. The manual emphasizes the System
Reference Manual (SRM) Console firmware user interface.
Task-oriented topics include a description of how to:
!Install an operating system
!Check or change system configurations
!Troubleshoot basic system problems
Hardware-oriented topics include how to:
!Install memory modules
!Cable the I/O connections
!Cable the diskette and IDE disk I/O ports
Audience
This manual is intended for technicians and engineers who support resellers,
dealers, system integrators, and OEM vendors who supply UP1500-based
systems.
Scope
This manual describes the features, configuration options, functional operation,
troubleshooting analysis and user interface of the system and its SRM Console
firmware. It is a companion piece to Samsung Electronics Co., Ltd.’s UP1500
document set that includes the UP1500 Quick Start Installation Guide and the
UP1500 Technical Reference Manual.
Manual Organization
The UP1500 User’s Manual is organized as follows:
!Chapter 1, “UP1500 Introduction,” presents the product features and includes
a functional block diagram of the system.

UP1500 User’s Manual Preface
UP1500 800-A1 x
!Chapter 2, “System Configuration,” provides a pictorial layout of the UP1500
with its key components. Configuration elements include main memory
guidelines, I/O disk port cabling, and non-keyed I/O connections.
!Chapter 3, “Electrical, Environmental and Physical Data,” furnishes the
electrical and environmental requirements, and physical board dimensions.
!Chapter 4, “Software Support,” describes the three major software
components that form the UP1500 user interface. Topics include the Alpha
System Reference Manual (SRM) Console and Fail Safe Booter (FSB)
firmware, and procedures describing installation and upgrade of the Linux
operating system.
!Chapter 5, “Troubleshooting,” discusses solutions for hardware and software
problems encountered during system startup.
!Appendix A, “Connectors and Pinouts,” describes the connectors and pinouts
used on the UP1500.
!Appendix B, “Support, Products and Documentation,” provides directions for
obtaining additional product information and technical support.
Conventions and Definitions
This section defines product-specific terminology, abbreviations, and other
conventions used throughout this manual.
Typographic Conventions
This manual uses the following type conventions:
!Variable information and document titles appear in italic type.
!Text that you type is shown in bold Courier font.
!Type that appears on a screen, such as an example of computer output, is
shown in Courier font.
!Two key names joined with a forward slash are simultaneous keystrokes.
Press down the first key while you type the second key, as in press Ctrl/S.
Acronyms
The following is a list of the acronyms used in this document and their definitions.

UP1500 User’s Manual Preface
UP1500 800-A1 xi
Abbreviation Meaning
AGP Accelerated Graphics Port
ALI Acer Laboratories, Inc.
AMD Advanced Micro Devices, Inc.
CD Compact Disk
CE European Conforming
CPU Central Processing Unit
cUL Canadian Underwriters Laboratory
DDR Double Data Rate
DIMM Dual Inline Memory Module
DRAM Dynamic Random Access Memory
ECC Error Correcting Code
ECP Enhanced Capabilities Port
EMI Electromagnetic Interference
EN European Norm
EPLD Electrically Programmable Logic Device
EPP Enhanced Parallel Port
FAQ Frequently Asked Questions
FCC Federal Communications Commission
FDD Floppy Disk Drive
FSB Fail-Safe Booter
HDD Hard Disk Drive
I2CInter-integrated Circuit
IDE Integrated Device Electronics
I/O Input/Output
ISA Industry Standard Architecture
KBD Keyboard
LED Light Emitting Diode
LW Late Write
OEM Original Equipment Manufacturer
OS Operating System
PAL Privileged Architecture Library
PCI Peripheral Component Interconnect
PCB Printed Circuit Board
PMU Power Management Unit

UP1500 User’s Manual Preface
UP1500 800-A1 xii
ROM Read-only Memory
RTC Real Time Clock
SCSI Small Computer System Interface
SDRAM Synchronous Dynamic Random Access Memory
SEC Samsung Electronics Co., Ltd.
SM System Management
SPD Serial Presence Detect
SRM System Reference Manual
SROM Serial Read-only Memory
SRAM Static Random Access Memory
SSRAM Synchronous SRAM
UL Underwriters Laboratory
UART Universal Asynchronous Receiver Transmitter
USB Universal Serial Bus
VID Voltage Identification
VRM Voltage Regulator Module
Abbreviation Meaning

UP1500 User’s Manual Chapter 1 UP1500 Introduction
UP1500 800-A1 1-1
Chapter 1 UP1500 Introduction
This chapter provides an overview of the UP1500 product, including its
components and features.
The UP1500 product consists of an Alpha 21264B Processor Central Processing
Unit (CPU), and a Peripheral Component Interconnect (PCI) bus interfacing the
following components:
!Advanced Micro Devices, Inc. (AMD) AMD-761 System Controller
!Acer Laboratories, Inc. (ALI) M1535D+ PCI-ISA Bridge
!Samsung Electronics Co., Ltd. (SEC) K7D8071M-HC30 or IBM
0436A8CFLBB L2 cache
!Intel Corp. 21143 PCI/CardBus 10/100 Mb/s LAN (Ethernet) Controller
!Creative Labs, Inc. Sound Blaster-compatible sound chip
!Voltage Regulator Module (VRM)
UP1500s are designed for use in uniprocessor workstation and low-end server
platforms.
1.1 Features
Table 1-1 provides a summary of the UP1500 product features.
Table 1-1 UP1500 Product Features
Feature Description Manufacturer
Physical Form Factor: ATX (12" X 9.6")
CPU: Supports 800MHz EV68 Alpha 21264B Processor SEC
Cache: External 4 MB or 8MB L2 cache, 128-bit Double Data Rate
Synchronous Static Random Access Memory (SSRAM) SEC
Chipsets:
• AMD-761 System Controller AMD
• M1535D+ PCI-ISA Bridge ALI
• 21143 LAN Controller Intel
Main Memory:
Three 184-pin, PC 133 Synchronous Direct Random Access
Memory (SDRAM) registered Serial Presence Detect (SPD)
Dual Inline Memory Modules (DIMMs) of 128 MB,
256 MB, 512 MB, or 1 GB, providing 128 MB to 4 GB
memory with Error Correcting Code (ECC)

UP1500 User’s Manual Chapter 1 UP1500 Introduction
UP1500 800-A1 1-2
1.2 System Components
The UP1500 is implemented in industry-standard parts and uses an Alpha 21264B
Processor. The functional components of the UP1500 are shown in block diagram
form in Figure 1-1. A detailed description of system components is provided in
the UP1500 Technical Reference Manual.
Power: • Requires 300W ATX power supply
• Uses ATX power connectors
System Interface: • 133 MHz clock with Double Data Rate (DDR) transfers
On-board Input/Output
(I/O):
• Two Ultra DMA 33/66/100 Integrated Device Electronics
(IDE) connectors, driven by the dual-channel IDE
controllers in the M1535D+ PCI-ISA Bridge
• Inter-integrated Circuit (I2C) System Management (SM) bus
• Two external Universal Serial Bus (USB) ports, driven by
the USB controller in the M1535D+ PCI-ISA Bridge
• Two serial Universal Asynchronous Receiver Transmitter
(UART) ports, driven by the Super I/O controller in the
M1535D+ PCI-ISA Bridge
• One Enhanced Capabilities Port (ECP) / Enhanced
Parallel Port (EPP) / SP parallel port, driven by the
Super I/O controller in the M1535D+ PCI-ISA Bridge
• One dual-drive capable Floppy Disk Drive (FDD) controller
driven by the Super I/O controller in the M1535D+ PCI-ISA
Bridge
• PS/2 Keyboard and Mouse port
I/O Slots:
• One 4x Accelerated Graphics Port (AGP) slot, driven by the
AGP controller in the AMD-761 System Controller
• Three 33 MHz PCI slots, driven by the 32-bit PCI bus
controller in the AMD-761 System Controller
Sound Card: Sound Blaster-compatible sound controller driven by the
M1535D+ PCI-ISA Bridge
Firmware: Embedded Alpha System Reference Manual (SRM)
Console
Table 1-1 UP1500 Product Features (Continued)
Feature Description Manufacturer

UP1500 User’s Manual Chapter 1 UP1500 Introduction
UP1500 800-A1 1-3
Note: Refer to the list of Acronyms on page x of the Preface for an explanation
of terminology used in the block diagram.
Figure 1-1 UP1500 Functional Block Diagram
X bus
Alpha Processor
Alpha 21264B
DDR
L2 cache
4M or 8M
AMD761
PCI BUS
4X AGP
DDR
SDRAM
DIMMs
ALI M1535D+
Intel 21143
LAN
Controller
USB
FDD
2 Serial Ports
1 Parallel Port
IDE Ports
32Bit, 33MHz
PCI Slots
RTC
Sound
KBD/Mouse
BIOS
System Controller
PCI-ISA Bridge

UP1500 User’s Manual Chapter 2 System Configuration
UP1500 800-A1 2-1
Chapter 2 System Configuration
This chapter describes the layout and configuration of the UP1500. It includes
information about switch settings used to determine the UP1500 configuration.
2.1 Board Layout and Components
On-board connectors are provided for the following:
!AGP and PCI cards
!IDE and FDD devices
!USB devices
!Memory DIMMs
!Serial and parallel peripherals
!LAN (Ethernet) port
!Audio In/Out and Mic In connections
!Power
These connectors and the configuration switchpack are shown in Figure 2-1,
which depicts the UP1500 and its components. Table 2-1 specifies the
components as indicated in Figure 2-1.
Refer to Appendix A for a complete description of the connectors and pinouts
used in the UP1500.

UP1500 User’s Manual Chapter 2 System Configuration
UP1500 800-A1 2-2
Figure 2-1 UP1500 Layout
J28 J30
BATTERY
BATTERYBATTERY
BATTERY
CPU
CPUCPU
CPU
21264B
21264B21264B
21264B
TAG
TAGTAG
TAG
SRAM
SRAMSRAM
SRAM
CACHE
CACHECACHE
CACHE
SRAM
SRAMSRAM
SRAM
CACHE
CACHECACHE
CACHE
SRAM
SRAMSRAM
SRAM
CACHE
CACHECACHE
CACHE
SRAM
SRAMSRAM
SRAM CACHE
CACHECACHE
CACHE
SRAM
SRAMSRAM
SRAM
North
NorthNorth
North
Bridge
BridgeBridge
Bridge
AMD 761
AMD 761AMD 761
AMD 761
South
SouthSouth
South
Bridge
BridgeBridge
Bridge
ALI
ALIALI
ALI
M1535D+
M1535D+M1535D+
M1535D+
Flash
FlashFlash
Flash
BIOS
BIOSBIOS
BIOS
RTC
RTCRTC
RTC
Network
NetworkNetwork
Network
Controller
ControllerController
Controller
Intel
IntelIntel
Intel
21143
2114321143
21143
AGP
AGPAGP
AGP
Slot
SlotSlot
Slot
PCI
PCIPCI
PCI
Slot0
Slot0Slot0
Slot0
PCI
PCIPCI
PCI
Slot1
Slot1Slot1
Slot1
PCI
PCIPCI
PCI
Slot2
Slot2Slot2
Slot2
DIMM 0
DIMM 0DIMM 0
DIMM 0
FDD
FDDFDD
FDD
IDE1
IDE1IDE1
IDE1IDE0
IDE0IDE0
IDE0
VRM for CPU
VRM for CPUVRM for CPU
VRM for CPU
LAN
LANLAN
LAN
Conn.
Conn.Conn.
Conn.
Serial/Parallel Conn.
Serial/Parallel Conn.Serial/Parallel Conn.
Serial/Parallel Conn.
USB
USBUSB
USB
Conn.
Conn.Conn.
Conn. KBD/
KBD/KBD/
KBD/
Mouse
MouseMouse
Mouse
Conn.
Conn.Conn.
Conn.
DIMM 3
DIMM 3DIMM 3
DIMM 3
DIMM 2
DIMM 2DIMM 2
DIMM 2
DIMM 1
DIMM 1DIMM 1
DIMM 1
Reset
ResetReset
Reset
FET
FETFET
FET
FET
FETFET
FET
FET
FETFET
FET
FET
FETFET
FET
FET
FETFET
FET
J8
AUDIO
AUDIOAUDIO
AUDIO
MIC
MICMIC
MIC
SW1
SW1SW1
SW1
SW2
SW2SW2
SW2
SW3
SW3SW3
SW3
LAN
LANLAN
LAN
TX
TXTX
TX
J9 J10
J3
J24
J14 J11J13
J12
J18 J19 J20
J34
J35
J1
J31
J26 J25 J29 J27
J17 J15 J16
J4
J5
J6
J7
P1
J21
J2
J38 J39
J37
J32
J33
J36
Table 2-1 UP1500 Connector Component List
Comp.
No. Specification Comp. No. Specification
J1 PLL Bypass Mode Selector J2 PLL Test Mode Selector
J3 AGP Connector J4 184-pin DDR DIMM Socket, Slot 0
J5 184-pin DDR DIMM Socket, Slot 1 J6 184-pin DDR DIMM Socket, Slot 2
J7 184-pin DDR DIMM Socket, Slot 3 J8 32-bit PCI Connector, Slot 2

UP1500 User’s Manual Chapter 2 System Configuration
UP1500 800-A1 2-3
2.2 Memory Subsystem
2.2.1 Memory Configuration
The memory subsystem has two DIMM bank with four independent slots. (See
Figure 2-2) Each slot accepts 184-pin, PC133 DDR SDRAM Registered SPD
DIMM modules.
J9 32-bit PCI Connector, Slot 1 J10 32-bit PCI Connector, Slot 0
J11 Local Area Network (LAN RJ-45
Ethernet) Connector J12 Mic In Connector
J13 Audio In/Out Connector J14 Compact Disk (CD) Audio In Connector
J15 Primary IDE Connector J16 Secondary IDE Connector
J17 Floppy Disk Drive (FDD) Connector J18 Serial/Parallel I/O Port
J19 USB Port J20 Keyboard/Mouse Port
J21 ATX Power Connector J22 Not Used
J23 Not Used J24 System Management (SM) Bus Extender
Port
J25 Power Button Connector J26 Speaker Cable Connector
J27 Hard Disk Drive (HDD) Activity LED
Connector J28 Power LED Connector
J29 Reset Button Connector J30 Keybord Lock Cable Connector
J31 System Fan Connector 0 J32 CPU Fan Connector 0
J33 CPU Fan Connector 1 J34 Debug Port
J35 Electrically Programmable Logic Device
(EPLD) Program Port J36 System Fan Connector 1
J37 System Controller Fan Connector J38 Network Receive LED Connector
39 Network Active LED Connector
Table 2-1 UP1500 Connector Component List (Continued)
Comp.
No. Specification Comp. No. Specification

UP1500 User’s Manual Chapter 2 System Configuration
UP1500 800-A1 2-4
Figure 2-2 Memory Subsystem
2.2.2 Memory Guidelines
Use the following rules to populate the UP1500 memory subsystem :
!Populate Slot 1 (J3) first.
!DIMM size can be 128 MB, 256 MB, 512 MB, or 1GB.
!Each slot can use different sized DIMMs.
!Memory is supported in a size range between 128 MB (minimum) to 4 GB
(maximum)
See Table 2-2 for typical memory configurations.
Note: For a list of supported memory manufacture’s and parts, check Samsung
Electronics Co.,Ltd. website for the UP1500 Hardware Compatibility List
(HCL) :
http://www.alpha.samsung.com/
DIMM Slot 0
DIMM Slot 0DIMM Slot 0
DIMM Slot 0
DIMM Slot 3
DIMM Slot 3DIMM Slot 3
DIMM Slot 3
DIMM Slot 2
DIMM Slot 2DIMM Slot 2
DIMM Slot 2
DIMM Slot 1
DIMM Slot 1DIMM Slot 1
DIMM Slot 1
J4
J5
J6
J7
The following DIMM sizes may be used :
128 MB
256 MB
512 MB
1 GB
Memory Subsystem
Memory SubsystemMemory Subsystem
Memory Subsystem